EP1587202A1 - Méthode et appareil pour charger une batterie - Google Patents

Méthode et appareil pour charger une batterie Download PDF

Info

Publication number: EP1587202A1
Authority: EP; European Patent Office
Prior art keywords: charging current; charging; voltage; value; current
Prior art date: 2004-04-14
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP05007011A

Other languages

German (de)

English (en)

Other versions

EP1587202B1 (fr

Inventor

Hans-Hermann Dipl.-Ing. Maasland

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Jungheinrich AG

Original Assignee

Jungheinrich AG

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2004-04-14

Filing date

2005-03-31

Publication date

2005-10-19

2005-03-31 Application filed by Jungheinrich AG filed Critical Jungheinrich AG

2005-10-19 Publication of EP1587202A1 publication Critical patent/EP1587202A1/fr

2008-11-26 Application granted granted Critical

2008-11-26 Publication of EP1587202B1 publication Critical patent/EP1587202B1/fr

2025-03-31 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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Images

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/927—Regulation of charging or discharging current or voltage with introduction of pulses during the charging process
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries

Definitions

the present invention relates to a method for charging an accumulator and a suitable charger for carrying out this method.
W-charge of the charger is an initial charging current provided that diminishes during the charging process.
the gassing voltage at the charge of the battery exceeded the gassing voltage, so that a large Heating of the battery and a heavy water consumption can occur.
a method for charging accumulators in charged in a first charging phase of the accumulator to the gassing voltage is, and in a second charging phase another charge with a reduced Amperage takes place, wherein in the second charging phase, the current value between a is switched higher and a lower value.
This procedure will too referred to as pulse charge in the recharging phase.
the maximum values for the charging current are chosen in the pulse charge so that these above the gassing voltage lie for the battery, so that an acid stratification is prevented because of the occurring gassing takes place a good mixing of the electrolyte.
the lower values of the charging current are chosen so that the battery voltage is below the gassing voltage, so that excessive heating and water decomposition in the accumulator is avoided.
the present invention is based on the object, a method and a To provide a device for charging of accumulators, which is an effective Charging the battery with a short charging time and a minimum design the charger allowed.
the object is achieved by a method having the features Claim 1 and solved by a device having the features of claim 5.
Advantageous embodiments form the subject of the dependent claims.
a charging current is to be charged to the Accumulator created.
the battery voltage is a predetermined voltage value has exceeded, there is a pulse charge, wherein the charging current for a predetermined Period of time several times, preferably periodically, with a predetermined time Intervals is increased.
the increase of the charging current is such that a predetermined value for the charging current is not exceeded on average. If the Battery voltage has reached the gassing voltage, is in a Nachladephase switched.
the reloading phase can, as already from the prior art known to be performed.
the particular advantage of this method is that that the main charging time, ie the time to reach the gassing voltage through the pulse charge is shortened.
the pulse charge is used in the present invention that is, to increase the current-time area during the main charge phase.
Prefers is switched to the recharging phase only when the battery voltage the Gassing voltage at a non-increased current value exceeds. It is understood that the pulsed charging current also leads to a pulsed voltage, so that the Battery voltage has a pulse shape with increased voltage values.
the condition for switching to the recharging phase is present when the lower of the voltage values exceeds the gassing voltage.
the mean value of the charging current is set.
the mean value of the charging current is not more than 80%, the condition of DIN 41774 is satisfied that the Charger can be permanently charged with at least 80% of the rated current. It So is to protect the battery and the charger ensures that during the Pulse charge the effective load on the passive components of the charger not is great.
the invention also relates to a charger for carrying out the invention Charging process, which has a transformer that accounts for about 80% of the Rated current is designed. By introducing the increased charging current pulses in the Main charging phase, such a transformer is busy, but not permanently overloaded.
the transformer and other passive components of the charger are such designed so that at 80% of the rated current, the designed according to insulation class temperature limit is not exceeded in the steady-state temperature.
the single figure shows, in a smoothed form, the time course of the charging current 10.
the charging current 10 drops approximately linearly in a first time interval A. at Of course, real measurements are subject to fluctuations and peaks.
the voltage of the battery 12 rises from an initial value to to a first voltage value U1.
the voltage value for example 26.2V.
this voltage value below the gassing voltage is, for example, below 28.8V.
the charging current is in its value to the Size A increased.
the increased current value is applied over a time interval T1, wherein Of course, during this time interval, the charging current due to the completed charge of the battery drops. Here again fluctuations and Peaks occur over the course of the charging current. For the following period T2, the charging current is lowered again by the value A.
T1 corresponds to the duration of T2, so that there is a duty cycle of 0.5, in which increased in half of the time Charging current is turned on and turned off in the other half of the increased charging current is.
the battery voltage continues to increase. If the lowest value in an interval is the gassing voltage (ie, for example 28.8V on a 24V battery with 12 cells), the Reload phase C.

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Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
General Chemical & Material Sciences (AREA)
Power Engineering (AREA)
Charge And Discharge Circuits For Batteries Or The Like (AREA)
Secondary Cells (AREA)

EP05007011A 2004-04-14 2005-03-31 Méthode et appareil pour charger une batterie Expired - Lifetime EP1587202B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102004018179A DE102004018179A1 (de)	2004-04-14	2004-04-14	Verfahren und Vorrichtung zum Laden eines Akkumulators
DE102004018179		2004-04-14

Publications (2)

Publication Number	Publication Date
EP1587202A1 true EP1587202A1 (fr)	2005-10-19
EP1587202B1 EP1587202B1 (fr)	2008-11-26

Family

ID=34934614

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP05007011A Expired - Lifetime EP1587202B1 (fr)	2004-04-14	2005-03-31	Méthode et appareil pour charger une batterie

Country Status (2)

Country	Link
EP (1)	EP1587202B1 (fr)
DE (2)	DE102004018179A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2923088A1 (fr) *	2007-10-31	2009-05-01	Electricite De France	Procede et dispositif de charge rapide d'un accumulateur

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0565303A2 (fr) *	1992-04-07	1993-10-13	Cmp Batteries Limited	Charge de batterie
DE4439785A1 (de) *	1994-11-07	1996-05-09	Mikron Ges Fuer Integrierte Mi	Verfahren zum Laden einer aufladbaren Batterie
EP0856931A2 (fr) *	1997-02-03	1998-08-05	Sony Corporation	Chargeur de batterie et méthode de charge d'une batterie

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10128637A1 (de) *	2000-06-15	2002-01-24	Fronius Schweismaschinen Produ	Batterieladeverfahren

2004
- 2004-04-14 DE DE102004018179A patent/DE102004018179A1/de not_active Ceased
2005
- 2005-03-31 EP EP05007011A patent/EP1587202B1/fr not_active Expired - Lifetime
- 2005-03-31 DE DE502005006040T patent/DE502005006040D1/de not_active Expired - Lifetime

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0565303A2 (fr) *	1992-04-07	1993-10-13	Cmp Batteries Limited	Charge de batterie
DE4439785A1 (de) *	1994-11-07	1996-05-09	Mikron Ges Fuer Integrierte Mi	Verfahren zum Laden einer aufladbaren Batterie
EP0856931A2 (fr) *	1997-02-03	1998-08-05	Sony Corporation	Chargeur de batterie et méthode de charge d'une batterie

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2923088A1 (fr) *	2007-10-31	2009-05-01	Electricite De France	Procede et dispositif de charge rapide d'un accumulateur
WO2009056619A1 (fr)	2007-10-31	2009-05-07	Electricite De France	Procede et dispositif de charge rapide d'un accumulateur

Also Published As

Publication number	Publication date
EP1587202B1 (fr)	2008-11-26
DE502005006040D1 (de)	2009-01-08
DE102004018179A1 (de)	2005-11-10

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